A shovel according to an example of the present invention includes a lower running body (1), an upper turning body (3), an engine (11) mounted on the upper turning body (3), a motor generator (12) driven by the engine (11), a power storage device (19) for storing electric power generated by the motor generator (12), an electric motor (21) for supplying regenerative electric power to the power storage device (19), a selective reduction catalyst system (100) for purifying exhaust gas by injecting a reducing agent stored in a reducing agent storage tank (31) into an exhaust pipe of the engine (11), a selective reduction catalyst system controller (93) for detecting an abnormality of the selective reduction catalyst system (100), and a control device (30) that performs abnormality determination on the selective reduction catalyst system (100) based on a detection result of the selective reduction catalyst system controller (93). The control device (30) continues to control the electric motor (21) before and after the abnormality determination.


    Access

    Download


    Export, share and cite



    Title :

    SHOVEL AND SHOVEL CONTROL METHOD


    Additional title:

    SCHAUFEL UND SCHAUFELSTEUERUNGSVERFAHREN
    PELLE, MÉCANIQUE ET PROCÉDÉ DE COMMANDE DE CELLE-CI


    Contributors:

    Publication date :

    2019-03-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E02F Baggern , DREDGING / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    SHOVEL AND SHOVEL CONTROL METHOD

    SUGIYAMA YUTA | European Patent Office | 2017

    Free access

    SHOVEL AND SHOVEL CONTROL METHOD

    SUGIYAMA YUTA | European Patent Office | 2016

    Free access

    SHOVEL, SHOVEL CONTROL DEVICE, AND SHOVEL SUPPORT DEVICE

    NISHI TAKASHI | European Patent Office | 2022

    Free access

    Shovel and shovel control method

    SUGIYAMA YUTA | European Patent Office | 2019

    Free access

    Shovel and control method of shovel

    TAKEO JITSUTAKA | European Patent Office | 2017

    Free access